Shikaku

Shikaku (also known as Rectangles) is a logic puzzle with simple rules and challenging solutions.

The rules are simple. You have to divide the grid into rectangular and square pieces such that each piece contains exactly one number, and that number represents the area of the rectangle.

Click and drag to draw a rectangle. To remove lines use the right mouse button or hold the Ctrl or the Shift key.

Video Tutorial

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This Month
1.	numbrr	00:06.99
2.	ectroverse	00:07.32
3.	Yuyinraoliang	00:07.81
4.	GeorgPfleger	00:08.06
5.	kennethaw88	00:08.14
6.	Ming	00:08.46
7.	정재윤 (재윤)	00:08.70
8.	Daheeamond	00:09.19
9.	Richrrad	00:09.73
10.	prinsed	00:09.79
11.	gh	00:10.39
12.	Lanmo	00:10.67
13.	HDXX123456789	00:10.71
14.	beatrixwashere	00:10.77
15.	Lua	00:10.94
16.	Reya2010	00:11.89
17.	horst	00:13.33
18.	G VOLTT	00:13.52
19.	yosiaki	00:15.44
20.	SakagamiRiho09	00:15.98

This Week
1.	GeorgPfleger	00:08.06
2.	kennethaw88	00:08.14
3.	Richrrad	00:09.73
4.	prinsed	00:09.79
5.	gh	00:10.53
6.	HDXX123456789	00:10.71
7.	horst	00:13.33
8.	Lanmo	00:15.77
9.	rrooll	00:16.20
10.	TW777	00:16.44
11.	jaripetteri	00:19.67
12.	Praktisix	00:25.13
13.	AnonyMinor	01:08.29
14.	--- empty ---	--:--
15.	--- empty ---	--:--
16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

Today
1.	GeorgPfleger	00:08.06
2.	Lanmo	00:15.77
3.	--- empty ---	--:--
4.	--- empty ---	--:--
5.	--- empty ---	--:--
6.	--- empty ---	--:--
7.	--- empty ---	--:--
8.	--- empty ---	--:--
9.	--- empty ---	--:--
10.	--- empty ---	--:--
11.	--- empty ---	--:--
12.	--- empty ---	--:--
13.	--- empty ---	--:--
14.	--- empty ---	--:--
15.	--- empty ---	--:--
16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

MO3
1.	zahhydude1	00:03.68
2.	vowels	00:03.92
3.	demian2	00:04.66
4.	BingBongBob	00:05.15
5.	nabi	00:05.27
6.	coolcoolguy65	00:05.33
7.	mtanzer	00:05.34
8.	bearn	00:05.38
9.	numbrr	00:05.52
10.	Vicell	00:05.55

AO5
1.	zahhydude1	00:04.18
2.	vowels	00:04.32
3.	demian2	00:04.92
4.	BingBongBob	00:05.39
5.	nabi	00:05.41
6.	bearn	00:05.55
7.	coolcoolguy65	00:06.01
8.	Vicell	00:06.12
9.	numbrr	00:06.22
10.	mtanzer	00:06.28

AO12
1.	zahhydude1	00:04.69
2.	vowels	00:04.92
3.	BingBongBob	00:05.84
4.	demian2	00:06.31
5.	bearn	00:06.41
6.	coolcoolguy65	00:06.66
7.	nabi	00:06.91
8.	numbrr	00:07.06
9.	Vicell	00:07.26
10.	sfumato	00:07.41

Robots / programmatic solvers		info
1.	tlstyer	00:00.009
2.	Charlie Li	00:00.707
3.	--- empty ---	--:--

* MO3 - Mean of 3. The average of 3 consecutive times.
AO5 - Average of 5. The average of 5 consecutive times ignoring the highest and the lowest.
AO12 - Average of 12. The average of 12 consecutive times ignoring the highest and the lowest.
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2024-07-27 11:20:24

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